Question: What video game has the smallest amount of players and is free?
Paraphrase: What video game is free of charge and has the smallest number of players?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q21125433 . ?ent wdt:P1873 ?obj . ?ent wdt:P31 wd:Q21125433} ORDER BY ASC(?obj)LIMIT 5 
Answer: hoverboard-sdl, Bovo, Stunt Rally, UltraStar España, SuperTuxKart